NL10: TPTK vs monochrome board bad line here?

[RapidEvolution]

PokerStars No-Limit Hold'em, $0.10 BB (7 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

MP2 ($17.90)
Hero ($9.75)
Button ($1.45)
SB ($0.55)
BB ($10.05)
UTG ($11.75)
MP1 ($6)

Preflop: Hero is CO with A[img]/images/graemlins/heart.gif[/img], K[img]/images/graemlins/diamond.gif[/img]. MP1 posts a blind of $0.10.
<font color="#666666">1 fold</font>, MP1 (poster) checks, <font color="#666666">1 fold</font>, <font color="#CC3333">Hero raises to $0.45</font>, <font color="#666666">3 folds</font>, MP1 calls $0.35.

Flop: ($1.05) J[img]/images/graemlins/club.gif[/img], A[img]/images/graemlins/club.gif[/img], 2[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">MP1 bets $0.5</font>, <font color="#CC3333">Hero raises to $2</font>, MP1 calls $1.50.

Turn: ($5.05) 6[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
MP1 checks, <font color="#CC3333">Hero bets $4</font>, MP1 calls $3.55 (All-In).

River: ($12.15) J[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players, 1 all-in)</font>

Final Pot: $12.15

[Jay.Yang]

I played the same. NH

[Larude]

Nice hand sir. Perfect play, where did you think you went wrong...?

[RapidEvolution]

I think it's just more that I've seen the flush in these spots much more recently than the 1 club/pair or the 1 club/2 overcards.